Отдаю 20б за одно задания. 8кл
Закончите уравнение реакций, подберите коэффициенты
а)S+O2->SO2+Q
H2O--->?+O2
H2O---->?+O2 -Q
SO2+O2----------> SO3+Q
HgO->?+O2-Q
CH4+? -> CO2+H2O+Q
N2+? -> NO -Q
NO+Q2->NO2+Q
KMnO4 -> K2MnO4+MnO2+O2 -Q
C6H12O6+O2-->CO2+H2O+Q
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